US2816148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of substantially pure vinyl chloride
Assignee: Honeywell International Inc
•
Filing: 1955-04-27
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Granted: 1957-12-10
•
Expires: 1975-04-27
Abstract
No abstract record available.
Inventors
- 👤 Irving F Anderson
- 👤 Richard C Datin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:29
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/07; C07C17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PROCESS FOR THE RECOVERY AND PURIFICATION OF A HOT CRUDE CHLORIDE ANYDROUS GASEOUS STREAM PRODUCED BY CATALYTIC REACTION OF ACETYLENE AND HYDROGEN CHLORIDE AS SOLE REACTANTS AND CONTAINING BY-PRODUCT COMPOUNDS HIGHER BOILING THAN VINYL CHLORIDE, AS WELL AS UNREACTED ACETYLENE AND HYDROGEN CHLORIDE, WHICH COMPRISES COOLING SAID ANHYDROUS GASEOUS STREAM TO TEMPERATURE ABOVE THE CONDENSATION TEMPERATURE OF SAID STREAM BY DIRECT CONTACT WITH AN INERT, ANHYDROUS, NONVOIATILE LIQUID TO PRODUCE AN ANHYDROUS GASEOUS STREAM COMPRISING VINYL CHLORIDE AND SUBSTANTIALLY ALL OF THE BY-PRODUCT AND UNREACTED COMPOUNDS, SUBJECTING SAID COOLED ANHYDROUS GASEOUS STREAM TO DISTILLATION UNDER REFLUX OF VINYL CHLORIDE TO PRODUCE A VAPOROUS OVERHEAD
Claim 2
Dependent Claim
105 words
A PROCESS FOR THE RECOVERY AND PURIFICATION OF A HOT CRUDE CHLORIDE ANYDROUS GASEOUS STREAM PRODUCED BY CATALYTIC REACTION OF ACETYLENE AND HYDROGEN CHLORIDE AS SOLE REACTANTS AND CONTAINING BY-PRODUCT COMPOUNDS HIGHER BOILING THAN VINYL CHLORIDE, AS WELL AS UNREACTED ACETYLENE AND HYDROGEN CHLORIDE, WHICH COMPRISES COOLING SAID ANHYDROUS GASEOUS STREAM TO TEMPERATURE ABOVE THE CONDENSATION TEMPERATURE OF SAID STREAM BY DIRECT CONTACT WITH AN INERT, ANHYDROUS, NONVOIATILE LIQUID TO PRODUCE AN ANHYDROUS GASEOUS STREAM COMPRISING VINYL CHLORIDE AND SUBSTANTIALLY ALL OF THE BY-PRODUCT AND UNREACTED COMPOUNDS, SUBJECTING SAID COOLED ANHYDROUS GASEOUS STREAM TO DISTILLATION UNDER REFLUX OF VINYL CHLORIDE TO PRODUCE A VAPOROUS OVERHEAD
References Cited (Backward Citations)
US2480021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |